Vibrational spectroscopy as a probe of heterogeneities within geochemical thin films on macro, micro, and nanoscales.

ABSTRACT: Minerals play a critical role in the chemistry occurring along the interface of different environmental systems, including the atmosphere/geosphere and hydrosphere/geosphere. In the past few decades, vibrational spectroscopy has been used as a probe for studying interfacial geochemistry. Here, we compare four different vibrational methods for probing physical and chemical features across different mineral samples and length scales, from the macroscale to nanoscale. These methods include Attenuated Total Reflection - Fourier Transform Infrared (ATR-FTIR), Optical Photothermal Infrared (O-PTIR), Atomic Force Microscopy-Infrared (AFM-IR) and micro-Raman spectroscopy. The emergence of these micro-spectroscopic probes has offered new insights into heterogeneities within geochemical thin films a

SUBMITTER: Kim D 

PROVIDER: S-EPMC10543985 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature